MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model, indicating malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.7261
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/9d8d638d21a1d448ea5c086493503deb/bidorumarajipixepedil.pdf In PDF document text
- http://sanphamhanquocymy.com/uploads/files/651638174.pdfIn PDF document text
- http://fge-service.com/userfiles/file/10700783092.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/56728687906.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/93988658753.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/kabumumura.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/63841882113.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbfee51d83a---26902736595.pdfIn PDF document text
- http://unseretochter.com/images/file/papubimabufufinu.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606e76d6c0350---fuvigopuselan.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/fc91d19d2a132aeb0f80d580ec7fbd47/73018430655.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/nolakajawugide.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/15fdfabf82640152c394f5c583b99837/63209957613.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/xedonamidibejadexevem.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2995c0f4dd---muram.pdfIn PDF document text
- https://abeess.com/userfiles/file/daxexuna.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/wonupijururifozoperag.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-8-18/20210818233121923386.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/04c0c2278417746169678d77e3916bf1/zupugi.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a85df286c24---81096472282.pdfIn PDF document text
- http://at2apigroup3.com/contents//files/silogogurujizexitineruzo.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/felmlc904tp3rau9g484iefa41/99921192877.pdfIn PDF document text
- http://faulkfamilync.com/clients/c/cc/ccb94402b1eed20a0583117be0c0b506/File/xafabitijitevutawo.pdfIn PDF document text
- http://archerelectricsupply.com/userfiles/file/78360145641.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/19525a4e228c08cf1c5e91e04d17403d/sasudoxavafu.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/76359610837.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=which+of+the+following+statements+regarding+internal+controls+is+correctPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001f2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F2BF | 16420 bytes |
SHA-256: 1c94e7e9ca0b57cc2097c9bc0ae85fb9cbc7bb27c1c6294785d74c619ce3c82e |
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